Finding the Fourth Proportional to 7,874,022.65, 11,811,033.98 and 2,555,238.65
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Solution
The fourth proportional to 7,874,022.65, 11,811,033.98 and 2,555,238.65 is: 3,832,857.98
Step by Step Solution
- Step 1: Write the proportion equation
7,874,022.65 : 11,811,033.98 = 2,555,238.65 : x - Step 2: Convert to fraction form
7,874,022.65/11,811,033.98 = 2,555,238.65/x - Step 3: Cross multiply
7,874,022.65x = 11,811,033.98 × 2,555,238.65 - Step 4: Simplify right side
7,874,022.65x = 30,180,010,509,383.13 - Step 5: Solve for x
x = 30,180,010,509,383.13/7,874,022.65 - Step 6: Final answer
x = 3,832,857.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.